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• Author: Bo Liang
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Integrability Formulas. Part II

In this article, we give several differentiation and integrability formulas of special and composite functions including trigonometric function, and polynomial function.

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Several Differentiation Formulas of Special Functions. Part III

In this article, we give several differentiation formulas of special and composite functions including trigonometric function, inverse trigonometric function, polynomial function and logarithmic function.

Open access

Difference and Difference Quotient

In this article, we give the definitions of forward difference, backward difference, central difference and difference quotient, and some of their important properties.

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Difference and Difference Quotient. Part II

In this article, we give some important properties of forward difference, backward difference, central difference and difference quotient and forward difference, backward difference, central difference and difference quotient formulas of some special functions [11].

MML identifier: DIFF 2, version: 7.8.09 4.97.1001

Open access

Several Integrability Formulas of Special Functions. Part II

In this article, we give several differentiation and integrability formulas of special and composite functions including the trigonometric function, the hyperbolic function and the polynomial function [3].

MML identifier: INTEGR11, version: 7.11.01 4.117.1046

Open access

Basic Properties of Periodic Functions

In this article we present definitions, basic properties and some examples of periodic functions according to [5].

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Some Operations on Quaternion Numbers

In this article, we give some equality and basic theorems about quaternion numbers, and some special operations.

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Abstract

Currently, one of the challenging tasks for Chinese engineering community is to construct a water-way crossing of Qiongzhou Strait in the south of China. This project has also gained significant attention from researchers in academia. The study presented herein is centered on providing a feasible solution for ac-complishing the above mentioned task. Initially, different alternatives as the best location, judged on the basis of the environmental constraints, are studied. Then the comparison between various structural solutions such as suspension bridge, submarine tunnel and SFT is presented. Among these solutions, SFT appears to be a very suitable alternative for Qiongzhou Strait waterway crossing due to distinctive advantages, like shorter distance, lower cost, less impact on environment and navigation, etc. Based on the appropriate conception for cross sections, support systems, materials, joints and connection schemes, a numerical model is developed by means of the FEM software ANSYS/Fluent. It is then analyzed under the influence of different environmental loading conditions, varying the wave heights and lengths, current velocities and water depths, which are typical in Qiongzhou Strait. The numerical results reveal that the proposed SFT solution performs safely even under extreme weather conditions.

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Abstract

The construction and good operation of college student entrepreneurship organizations play an important role in the cultivation of college student entrepreneurship awareness and the improvement of college student entrepreneurship ability and success rate. This paper summarizes the factors restricting student entrepreneurship and proposes the suggestion of constructing student entrepreneurship alliance based on the analysis of the education and the current operation status of entrepreneurship organizations in Hebei Province. With the idea of “Promoting employment by entrepreneurship to realize social entrepreneurship” and the target of “Improving college student entrepreneurship success rate”, college student entrepreneurship alliance integrates multi social resources with the involvement of the government, society, enterprises and colleges. The operation of the alliance is divided into education stage, incubation stage and marketing operation stage. By the three stages’ cultivation to college students, it plays a positive role in aspects such as the participation of college education and social education, the promotion of entrepreneurship education development and college student entrepreneurship success rate and district economic development.

Open access